Stellarium- is free planetarium software. See what constellations, stars, and planets would be seen from your home on a clear night for any given date and time with this computer generated view of the night sky.
Stellarium Planetarium software:
Below is a screenshot of the night sky created by Stellerium software program.
Below is the same computer generated view with the constellation lines and labels turned on.
Stellarium has even created artwork to show the constellations.
Below is a screenshot showing the constelation artwork (created by the Stellarium team) turned on as well as the constellation lines and labels to make it very easy for you to see and understand the constellations.